CVE-2022-1212

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p77

Published

Apr 5, 2022 (Apr 5, 2022)

Modified

Jun 17, 2026

Description

Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Vendors: mruby
Products: mruby
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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